Photos : Russian President Dmitry Medvedev & First Lady Svetlana Medvedeva participated in the population census

Russian President Dmitry Medvedev and his wife Svetlana Medvedeva, left, participate in the All-Russian population census in the Gorki residence outside Moscow, Saturday, Oct. 16, 2010. President Medvedev and his wife Svetlana invited a census taker to their suburban residence to fill in the census questionnaire. Russia on Thursday launched a two-week population census _ its first since 2002 and second in its post-Soviet history. (GETTY IMAGES / AP Photo/RIA-Novosti, Dmitry Astakhov, Presidential Press Service, pool)

Russian President Dmitry Medvedev and his wife Svetlana Medvedeva, left, participate in the All-Russian population census in the Gorki residence outside Moscow, Saturday, Oct. 16, 2010. President Medvedev and his wife Svetlana invited a census taker to their suburban residence to fill in the census questionnaire. Russia on Thursday launched a two-week population census _ its first since 2002 and second in its post-Soviet history. (TWITPIC)